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ONE-CLICK CAR CODING
& DIAGNOSTIC OBD TOOL
One-Click
Eliminate tedious steps
Diagnosis
Care for the health of your vehicle
Service
Ensure optimal performance
Could backup
No worries about data loss
Hot update
Respond to your needs quicker
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ONE-CLICK CODING
For BMW, Mercedes-benz, Audi and VW vehicels
Unlock and restore hidden features with one-click coding. No expertise needed — everything works in a single simple step.
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ONE-CLICK RETROFIT
For BMW, Mercedes-benz, Audi and VW vehicels
One-click coding for retrofits and upgrades, ensuring seamless integration with new hardware — become the master of your own build.
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FULL-SYSTEM DIAGNOSTICS
Not just full OBD2 modes — full-system diagnostics give your vehicle a complete scan. Unlock detailed diagnostic reports, so no issue stays hidden.
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SERVICE
Oil Reset, TPMS, BMS, DPF and more — helping you keep your vehicle healthy with better performance, higher efficiency, and lower costs.
BATTERY TEST & INSPECTION
Check your vehicle’s battery status with real-time voltage charts. Scan each component’s VIN and system mileage to detect replaced parts or tampered odometers.
CLOUD BACKUP & HOT UPDATE
Cloud backups protect your data, and hot updates deliver new features and fixes instantly for a smoother experience.
How to use OBD？
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Plug device into the vehicle's OBDII port
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Keep Bluetooth on and connect with your device within the DFirstCoder App
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Start to enjoy your features
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